Lowrance LCX-20C, Operation Instructions Manual

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The Sonar Page menu with the Log Sonar Chart Data command
selected (left). Sonar Chart Logging menu, with the Start Logging
command selected (right). The MMC has 11.7 MB of free space, which
will record the scrolling chart for 20 minutes and 44 seconds.
To record or log chart data:
1. Press
MENU
|
↓
to
L
OG
S
ONAR
C
HART
D
ATA
|
ENT
.
2. To record data using the default settings, press
ENT
. The menu clears
and the Sonar Page title bar shows the name of the file you are
recording. Warning messages will appear as recording time begins to run
out.
NOTE:
You can change any of the settings by using the cursor arrows to
highlight different commands. Select
F
ILE
N
AME
if you want to
change the name. Select
C
HART
Q
UALITY
if you want to lower the file
quality and record for a longer period of time. After you've changed
the settings, select
S
TART
L
OGGING
.
Noise Rejection
See the entry on Advanced Signal Processing in this section.
Overlay Data
On any Page display except Satellite Status, you can "float" or overlay
additional Sonar or data on the screen with the Overlay Data
command. The various data available from your unit are divided into
categories in the Overlay Data menu. These categories include GPS
Data, Navigation, Trip Calculator, Time, Sonar Data and
Miscellaneous Data.
You can select items from any of these categories for display, in any
combination. The category divisions are there only to help you sort
through the information.